grandmaster
n.
as a chess title, 1927, from grand, adj. + master, n.. Earlier as a title in Freemasonry (1724) and in military orders of knighthood (1550s).
| 词汇 | grandmaster | 
| 词根词缀 | Online Etymology Dictionary grandmaster n. as a chess title, 1927, from grand, adj. + master, n.. Earlier as a title in Freemasonry (1724) and in military orders of knighthood (1550s). | 
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